1. Thermo Fisher Scientific, Dornierstrasse 4, 82110 Germering, Germany
2. Department of Analytical Biochemistry, University of Groningen, 9713 AV Groningen, The Netherlands
3. Thermo Fisher Scientific, Hanna-Kunath-Straße 11, 28199 Bremen, Germany
4. University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
5. Clinical Protein Science and Imaging, Lund University, Box 117, S-22100 Lund, Sweden